Grand Prairie, TX weather in May
Expect warm, often humid weather with some rain in Grand Prairie in May, with highs near 84°F and lows near 65°F. Rain falls on about 9 days.
- Normal high
- 84°F
- Normal low
- 65°F
- Wet days
- 9
- 4.8 in total
- Muggy days
- 13
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 79°F | 88°F |
| Normal low | 60°F | 69°F |
| Chance of a wet day | 28% | 27% |
| Sunrise / sunset | 6:40 am / 8:09 pm | 6:21 am / 8:30 pm |
| Daylight | 13.5 h | 14.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am67°Fdew point 61°F
- 9 am73°Fdew point 62°F
- Noon79°Fdew point 62°F
- 3 pm82°Fdew point 61°F
- 6 pm80°Fdew point 61°F
- 9 pm74°Fdew point 62°F
NOAA hourly normals (local standard time) from Dallas Ft Worth Airport (11 mi away); average wind 11 mph; clear or few clouds in 27% of daytime hours, mostly cloudy or overcast in 56%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 31
- Hot dayshigh 90°F or more7 of 31
- Muggy daysdaily mean dew point 65°F or more13 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 4.8 in; a dry May brings about 2.3 in and a wet one about 6.9 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How May varies from year to year
- Warmest May, 1991-20201998: average high 90°F
- Coolest May2015: average high 79°F
- Wettest May2015: 17.0 in
- Driest May2017: 0.7 in
- Highest reading101°F (May 31, 1998)
- Lowest reading39°F (May 4, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 76°F | 84°F | 92°F |
| Normal low | 55°F | 65°F | 72°F |
| Wet days | 7 | 9 | 7 |
| Comfortable days | 14 | 5 | 0 |
| Daylight | 13.0 h | 13.8 h | 14.3 h |
Highs change by +8°F from April and +8°F into June.
Nearby alternatives in May
- Warmer: San Angelo, TX220 mi · high 89°F · 7 wet days
How Grand Prairie ranks in May
- Normal high88th warmest of 378 cities; 33rd of 38 in Texas
- Wet days171st driest of 378
- Comfortable days260th most of 339
What to pack for Grand Prairie in May
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
May has 10 heating degree days and 290 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Grand Prairie in May?
The normal high is 84°F and the normal low is 65°F. From 1991 to 2020 the hottest May reading was 101°F (May 31, 1998).
Does it rain a lot in Grand Prairie in May?
About 9 days in May have at least 0.01 in of precipitation, and the normal total is 4.8 in. The wettest May in 1991-2020 was in 2015 (17.0 in); the driest was in 2017 (0.7 in).
Is May a good time to visit Grand Prairie?
May ranks 8th of 12 months on our comfort score for Grand Prairie (53 out of 100). It has about 5 comfortable days and about 7 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall, humidity and wind by hour and cloud cover: Dallas Ft Worth Airport (USW00003927), 11 mi N of the city center, 560 ft . NOAA normals and daily records, 1991-2020.
- Snow depth and frost dates: Dallas Love Fld (USW00013960), 11 mi NE of the city center, 440 ft (79 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Dallas/Ft Worth International Airport (722590-03927), 11 mi N of the city center, 544 ft . Hourly observations, 1991-2020.